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A Right Triangle with Squares	Pythagorean theorem (Math 7)	Sketchpad	Activity		[0]
Students make a square tool and use the tool to investigate the Pythagorean Theorem and its converse. The link to the activity itself is to a zip file that contains the activity in pdf format. ... More: lessons, discussions, ratings, reviews,...
Angles Formed by Parallel Line...	Intersecting, \|\|, & perp. (Math 7)	Sketchpad	Activity		[0]
Students identify and measure corresponding angles, alternate interior angles, and alternate exterior angles, and determine which angles are congruent to each other. The link to the activity itself... More: lessons, discussions, ratings, reviews,...
Constellations	Triangles (Math 7)	Sketchpad	Activity		[0]
The task requires students to classify triangles according to angle and side properties. Students use Geometer's Sketchpad to manipulate triangles to see that constructed triangles have imposed... More: lessons, discussions, ratings, reviews,...
Constructions of Equilateral a...	Triangles (Math 7)	Sketchpad	Activity		[0]
Students will discuss the difference between drawing and constructing a triangle using The Geometer’s Sketchpad. They will further develop constructions for both isosceles and equilateral triangles. ... More: lessons, discussions, ratings, reviews,...
Examining Angles in Polygons	Angles of polygons (Math 7)	Sketchpad	Activity		[0]
Help students to discover or reinforce the angle formulas associated with polygons. Includes an activity in PDF format and a prepared sketch. More: lessons, discussions, ratings, reviews,...
Exploring Characteristics of T...	Triangles (Math 7)	Sketchpad	Activity		[0]
Students draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. In the extension activities, the students further explore and generalize a fo... More: lessons, discussions, ratings, reviews,...
Exploring Geometry with The Ge...	Geometry in the plane (Math 7)	Sketchpad	Activity	$	[0]
This book guides students as they construct and manipulate geometric figures, and discover relationships and theorems on their own. It features over 100 activities covering virtually every concept st... More: lessons, discussions, ratings, reviews,...
Exploring Quadrilaterals	Quadrilateral properties (Math 7)	Sketchpad	Activity		[0]
Students explore various types of quadrilaterals, investigating their properties and figuring out how the various shapes relate to each other. The link to the activity itself is to a zip file that ... More: lessons, discussions, ratings, reviews,...
Exploring Types of Triangles	Triangles (Math 7)	Sketchpad	Activity		[0]
Students explore various triangle properties, such as scalene, isosceles, equilateral, acute, right, and obtuse. The link to the tool itself is to a zip file that contains both the activity in pdf ... More: lessons, discussions, ratings, reviews,...
Exploring and Creating Tessell...	Tessellations (Math 7)	Sketchpad	Activity		[0]
This activity has students explore and construct several different types of tessellations. The first part of the activity uses only regular polygons to create pure and semi-pure tessellations; therefo... More: lessons, discussions, ratings, reviews,...
Geometry Activities for Middle...	Geometry in the plane (Math 7)	Sketchpad	Activity	$	[0]
These activities provide students with the opportunity to explore geometric concepts such as symmetry, transformations, and even fractal geometry in a way no other teaching tool can. The dynamic ca... More: lessons, discussions, ratings, reviews,...
Leonardo da Vinci's Proof	Pythagorean theorem (Math 7)	Sketchpad	Activity		[0]
Students use reflection and rotation to build a sketch that demonstrates a famous proof by Leonardo. The link to the activity itself is to a zip file that contains both the activity in pdf format ... More: lessons, discussions, ratings, reviews,...
Pythagoras Plugged In: Proofs ...	Pythagorean theorem (Math 7)	Sketchpad	Activity	$	[0]
This book guides students through a variety of proofs and applications of the Pythagorean theorem. By constructing and dynamically manipulating figures, students visualize the theorem and gain insight... More: lessons, discussions, ratings, reviews,...
Quadrilateral Exploration: Sha...	Quadrilateral properties (Math 7)	Sketchpad	Activity		[0]
Students first use the seven "Quadrilateral Makers" (square maker, rhombus maker, rectangle maker, parallelogram maker, kite maker, trapezoid maker, and quadrilateral maker) to make a design of their ... More: lessons, discussions, ratings, reviews,...
Quadrilaterals	Quadrilateral properties (Math 7)	Sketchpad	Activity		[0]
Investigate the parallelogram, rectangle, square, rhombus, and isosceles trapezoid. Includes an activity in PDF format and a prepared sketch. More: lessons, discussions, ratings, reviews,...
Reflection and Rotation Symmet...	Symmetry (Math 7)+	Sketchpad	Activity		[2]
Students test a variety of figures for symmetry by actually constructing reflections and rotations. The link to the tool itself is to a zip file that contains both the activity in pdf format and t... More: lessons, discussions, ratings, reviews,...
Reflections over Two Intersect...	Transformations (Math 7)	Sketchpad	Activity		[0]
Students explore what happens when they reflect a figure over a line and then reflect the image over a second line that intersects the first. The link to the activity itself is to a zip file that c... More: lessons, discussions, ratings, reviews,...
Shape Makers: Developing Geome...	Triangles (Math 7)+	Sketchpad	Activity	$	[0]
Author Michael Battista has built what he calls the Shape Makers computer microworld, a series of explorations in which students develop dynamic mental models for thinking about geometric shapes an... More: lessons, discussions, ratings, reviews,...
The Pythagorean Theorem	Pythagorean theorem (Math 7)	Sketchpad	Activity		[0]
Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. These demonstrations are based on proofs by Bhaskara... More: lessons, discussions, ratings, reviews,...
Transformations	Transformations (Math 7)+	Sketchpad	Activity		[1]
Investigate reflections, translations, glide reflections, dilations, rotations of 90, 180, 270 or any degree, and composition of reflections. Animations included on several pages. Usable at various ... More: lessons, discussions, ratings, reviews,...
Visual Demonstration of the Py...	Pythagorean theorem (Math 7)	Sketchpad	Activity		[0]
Students do a visual demonstration of the Pythagorean theorem based on Euclid’s proof. By shearing the squares on the sides of a right triangle, they create congruent shapes without changing... More: lessons, discussions, ratings, reviews,...
Area of an Equilateral Triangl...	Geometry in the plane (Math 7)	TI-73 Explorer	Activity		[0]
Step-by-step directions on how to use the GeoBoard App to construct objects of various sizes on circular or square boards. More: lessons, discussions, ratings, reviews,...
SMILE Mathematics Activity	Angles of polygons (Math 7)	TI-73 Explorer	Activity		[0]
Step-by-step directions on how to use the the five SMILE Mathematics computer games: MiniMax, Box, Matching Fractions, Angle, and Rhino. More: lessons, discussions, ratings, reviews,...
"Picking" Your Way through Are...	Geometry in the plane (Math 7)	TI-Nspire	Activity		[0]
In this activity, students will discover Pick’s Theorem by ﬁnding the relationship between area and the number of boundary points and interior points of a lattice polygon. More: lessons, discussions, ratings, reviews,...
What's My Rule?	Transformations (Math 7)	TI-Nspire	Activity		[0]
This activity encourages students to gain experience with the language of the Cartesian coordinate system. Each of the problems shows two points, z and w. Point z can be dragged, and point w moves in ... More: lessons, discussions, ratings, reviews,...
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